Prepaid Expenses and Other Current Assets (Details) - USD ($)	Dec. 31, 2018	Mar. 31, 2018
Prepaid Expenses And Other Current Assets Details
AV-101 materials and services	$ 456,200	$ 505,900
Professional services	166,500	0
Insurance	89,900	88,300
Public offering expenses	88,400	25,900
All other	52,800	24,700
Total	$ 853,800	$ 644,800